this post was submitted on 28 Nov 2024
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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./ bind mount everything in your compose file because dockers volume storage is bloody annoying to backup. Then you can just back up the one folder with everything in it.
That's what I'm doing too. Kind of felt wrong to do that, but if you don't need the extra features of docker volumes this is the way. It always puzzles me when I read "Volumes are easier to back up or migrate than bind mounts." in the docs. How are these --volumes-from shenanigans easier than rsyncing some directory off the host?
They’re just normal folders located in
/var/lib/docker/volumes
so you can back up that directory.Yah, but if you have just one corrupt, then you have to fuck around figuringbout which UID named volume is attached to which container that may or may not be running, so now you have to sort through config files to identify it. Restoring a bind mount is the work of seconds and is very straightforward.